MASTER CYLINDER CONSTRUCTION/OPERATION

BUE041143400N01

• The master cylinder is a dual-piston type. The master cylinder operates as follows:

- When the brake pedal is depressed, pressure is applied by mechanical linkage to the primary and secondary pistons.

- Brake master cylinder pistons apply hydraulic pressure to the two hydraulic circuits.

• The master cylinder consists of the following parts:

- Reservoir tank

- Master cylinder body

- Primary piston

- Secondary piston

- Snap ring

• Whenever the brake master cylinder is removed from the power brake unit, new nuts must be installed.